This study is divided into three parts: brPart I deal Briefly with the characteristics of the Shebeli river as well As with the hydraulic works already completed or recommended to dispose off excess water, which is often damaging agricultural Crops. brThis first part is actually an introduction to Part II, which in turn deals with the water supplies of the huge alluvial deposits accumulated in the valley during the Pliocene and the Quaternary. The reader who is interested in more detailed information on the hydrological characteristics of this important and interesting river is referred to the Bibliography listing the many authors who have written on this subject at a greater length. br Part III is a copy of all data so far availableon wells and information on water Surveys conducted on Shabelle river Valley.